A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

the Strait of Gibraltar is one of the busiest shipping corridors in the world. It faces heavy traffic and limited space for large vessels, increasing the risk of collisions, congestion ...

The Maritime Safety and Rescue Society released a map detailing the areas of concern so that sailors may avoid them. The areas run between the Gulf of Cadiz and the Strait of Gibraltar.